CVE-2026-116476EUVD-2026-110071GHSA-XRH4-GQ3G-5R95
a2aproject a2a-dotnet TaskProjection TaskProjection.ApplyStatus race condition
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fix or patch referenced
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The a2a-dotnet software, a .NET library for the Agent2Agent protocol, is affected, specifically its task projection logic that updates task status. Because of a race condition, a remote attacker could manipulate timing to cause inconsistent or unpredictable task state.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
A weakness has been identified in a2aproject a2a-dotnet up to 1.0.0-preview3. The affected element is the function TaskProjection.ApplyStatus of the component TaskProjection. Executing a manipulation can lead to race condition. The attack may be performed from remote. The pull request to fix this issue awaits acceptance.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- a2aproject a2a-dotnet
1.0.0-preview3